CN218449663U - Combined rear bearing outer cover - Google Patents
Combined rear bearing outer cover Download PDFInfo
- Publication number
- CN218449663U CN218449663U CN202221831515.2U CN202221831515U CN218449663U CN 218449663 U CN218449663 U CN 218449663U CN 202221831515 U CN202221831515 U CN 202221831515U CN 218449663 U CN218449663 U CN 218449663U
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- China
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- permanent magnet
- magnet machine
- machine stator
- rear bearing
- cover
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Abstract
The utility model discloses a modular rear bearing enclosing cover, the interior circle, permanent-magnet machine stator support and the protection casing of passing of confession axle of seting up in the middle of rear bearing enclosing cover, the rear bearing enclosing cover mounting hole has been seted up on the bearing enclosing cover, and the interior arch of bearing enclosing cover side ring is provided with the installation boss, permanent-magnet machine stator support or protection casing and the separable connection of installation boss. The utility model discloses a mode of components of a whole that can function independently combination can be selected as required to install additional and be used for with the permanent magnet machine stator support of permanent magnet machine adaptation, when not needing, also can remove permanent magnet machine stator support, installs the protection casing again to the length and the volume of motor have been reduced, and guarantee the leakproofness.
Description
Technical Field
The utility model belongs to the bearing seal field, concretely relates to modular rear bearing enclosing cover.
Background
The generator is divided into multiple excitation modes such as fundamental wave excitation, harmonic excitation, permanent magnet excitation and the like, a permanent magnet machine is additionally arranged when the permanent magnet excitation is adopted, the claw is arranged on the outer cover of the rear bearing cover and used for installing the permanent magnet machine, and then a permanent magnet machine protective cover is installed to protect the permanent magnet machine. When the generator adopts fundamental wave and harmonic excitation, a set of excitation winding is added in a stator iron core of the generator, a permanent magnet machine is not arranged, but a structure with claws is still adopted on the outer cover of the rear bearing, and the claws for installing the permanent magnet machine on the outer cover of the rear bearing are redundant, so that the space of the motor is occupied, the material is wasted, the length of the motor is increased, and the generator has great disadvantage for occasions with the requirement on the length of the motor. Therefore, a special structure needs to be designed, the outer cover of the rear bearing and the claw of the permanent magnet machine can be combined together when permanent magnet excitation is adopted, and the claw of the permanent magnet machine can be removed when fundamental wave and harmonic excitation are adopted, so that the length and the volume of the motor are effectively reduced, and the special structure has obvious advantages for occasions with installation size requirements.
Disclosure of Invention
An object of the utility model is to provide a modular rear bearing enclosing cover adopts the mode of components of a whole that can function independently combination, can select to install additional and be used for with the permanent-magnet machine stator support of permanent-magnet machine adaptation as required, when not needing, also can remove permanent-magnet machine stator support, installs the protection casing again to the length and the volume of motor have been reduced, and guarantee the leakproofness.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a modular rear bearing enclosing cover, includes interior circle, permanent-magnet machine stator support and the protection casing of offering in the middle of rear bearing enclosing cover, the rear bearing enclosing cover and supplying the axle to pass, has offered rear bearing enclosing cover mounting hole on the bearing enclosing cover, and the protruding installation boss that is provided with of circle in the bearing enclosing cover one side ring, permanent-magnet machine stator support or protection casing and the separable connection of installation boss.
Furthermore, the outer edge of the mounting boss is provided with a limiting spigot in a protruding manner, and the outer edge of the permanent magnet machine stator support is provided with a positioning spigot matched with the limiting spigot in an inwards recessed manner.
Further, the permanent magnet machine stator support is annular, a plurality of permanent magnet machine stator support mounting holes are correspondingly formed in the end portion of the mounting boss and the permanent magnet machine stator support, and when a permanent magnet machine needs to be mounted, the permanent magnet machine stator support is connected with the mounting boss through a permanent magnet machine stator mounting bolt matched with the permanent magnet machine stator support mounting holes.
Furthermore, a plurality of permanent magnet machine stator fixing claws are arranged on the permanent magnet machine stator support, and permanent magnet machine stator mounting holes are formed in the permanent magnet machine stator fixing claws.
Furthermore, the protective cover is circular, a circle of matching sleeve is arranged on the outer edge of the protective cover and used for being sleeved on the mounting boss, and a protective cover mounting hole is correspondingly formed in the matching sleeve and the outer wall of the mounting boss.
Furthermore, a threading hole of the permanent magnet machine stator outgoing line is formed in the bearing outer cover, and a bolt of the threading hole of the permanent magnet machine stator outgoing line is installed on the threading hole of the permanent magnet machine stator outgoing line.
Furthermore, a bearing temperature sensor mounting hole is formed in the bearing outer cover.
Compared with the prior art, the utility model discloses following beneficial effect has: 1. the rear bearing outer cover is provided with the mounting boss, so that the permanent magnet motor stator support or the protective cover can be detachably connected with the mounting boss, the permanent magnet motor stator support matched with the permanent magnet motor can be selected to be additionally mounted as required, when the permanent magnet motor stator support is not required, the fixed support can be removed, the protective cover is mounted, the length and the volume of the motor are reduced, and the sealing performance is ensured. 2. The outer edge of the mounting boss is provided with a limiting spigot, so that the permanent magnet motor stator support can be conveniently mounted and positioned, and the concentricity of the permanent magnet motor stator support and the permanent magnet motor stator support is ensured.
Drawings
Fig. 1 is a schematic view of the rear bearing outer cover and the stator fixing claw of the permanent magnet machine of the present invention;
fig. 2 is a cross-sectional view of the rear bearing outer cover and the stator fixing claw of the permanent magnet machine according to the present invention;
fig. 3 is a schematic view of the installation of the present invention in cooperation with a generator and a permanent magnet machine;
fig. 4 is a schematic view of the rear bearing outer cover and the stator fixing claw of the permanent magnet machine according to the present invention;
fig. 5 is a cross-sectional view showing the cooperation of the rear bearing outer cover and the stator fixing claws of the permanent magnet motor of the present invention;
FIG. 6 is a schematic view of the present invention cooperating with a generator;
in the figure: 1. a rear bearing outer cover; 2. a permanent magnet machine stator support; 3. a bearing temperature sensor mounting hole; 4. a permanent magnet machine stator outgoing line threading hole; 5. a permanent magnet machine stator support mounting bolt; 6. a rear bearing outer cover mounting hole; 7. A rear end cap; 8. a rear bearing; 9. a permanent magnet machine stator; 10. a permanent magnet machine stator mounting bolt; 11. mounting bolts for the protective cover; 12. a protective cover; 13. a permanent magnet machine stator fixing claw; 14. a permanent magnet machine protective cover; 15. mounting bolts for the permanent magnet machine protective cover; 16. a threading hole bolt of a stator outgoing line of the permanent magnet machine; 17. mounting a boss; 18. limiting a spigot; 19. is suitable for matching.
Detailed Description
Referring to fig. 1 to 6, a combined rear bearing outer cover comprises a rear bearing outer cover 1, an inner circle, a permanent magnet machine stator support 2 and a protective cover 12, wherein the inner circle is formed in the middle of the rear bearing outer cover 1 and used for a shaft to penetrate through, a rear bearing outer cover mounting hole 6 is formed in the bearing outer cover, a mounting boss 17 is convexly formed in the inner circle at one side of the bearing outer cover, and the permanent magnet machine stator support 2 or the protective cover 12 is detachably connected with the mounting boss 17. When the bearing is installed, the rear bearing outer cover 1 is firstly installed on the rear end cover 7 of the generator. The utility model discloses a with permanent magnet machine stator support 2 or protection casing 12 and the separable connection of installation boss 17, thereby when the motor needs the installation permanent magnet machine, can be connected permanent magnet machine stator support 2 and installation boss 17, and install the permanent magnet machine on permanent magnet machine stator support 2, install permanent magnet machine protection casing mounting bolt 15 with 14 cooperation permanent magnet machine protection casings of permanent magnet machine on rear end cap 7 again, when the motor need not install the permanent magnet machine, can install protection casing 12 on installation boss 17, make it can seal up the interior circle in the middle of rear bearing enclosing cover 1, protect rear bearing 8. The utility model has the advantages of, the finished product motor reforms transform conveniently, can select to install permanent-magnet machine additional according to the order needs, does not occupy unnecessary space simultaneously, has also effectively shortened the length of motor in the time of save material, has obvious advantage to the occasion that has the installation size requirement.
Referring to fig. 1 and fig. 2, further, a limit spigot 18 is convexly arranged on the outer edge of the installation boss 17, and a positioning spigot matched with the limit spigot 18 is concavely arranged on the outer edge of the permanent magnet machine stator support 2. The permanent magnet motor stator support 2 and the rear bearing outer cover 1 can be positioned and installed through the seam allowance, and the concentricity of the permanent magnet motor stator support and the rear bearing outer cover is guaranteed.
Referring to fig. 1 and 2, further, the permanent magnet machine stator support 2 is annular, a plurality of mounting holes of the permanent magnet machine stator support 2 are correspondingly formed in the end portion of the mounting boss 17 and the permanent magnet machine stator support 2, the permanent magnet machine stator support 2 is convenient to adapt to the mounting boss 17, and when a permanent magnet machine needs to be mounted, the permanent magnet machine stator support 2 is connected with the mounting boss 17 through the permanent magnet machine stator support mounting bolt 5 matching with the mounting hole of the permanent magnet machine stator support 2.
Referring to fig. 1 and 2, further, a plurality of permanent magnet machine stator fixing claws 13 are arranged on the permanent magnet machine stator support 2, and permanent magnet machine stator mounting holes are formed in the permanent magnet machine stator fixing claws 13, so that the permanent magnet machine stator 9 can be connected and fixed through the permanent magnet machine stator mounting holes and matched with the permanent magnet machine stator mounting bolts 10 without rotating.
Referring to fig. 3 and 6, further, the protection cover 12 is circular, a circle of matching sleeve 19 for being sleeved on the mounting boss 17 is arranged on the outer edge of the protection cover 12, so that the protection cover 12 can be directly sleeved on the mounting boss 17, mounting holes for the protection cover 12 are correspondingly formed in the outer walls of the matching sleeve 19 and the mounting boss 17, and the mounting holes for the protection cover 12 are matched with the mounting bolts 11 for the protection cover 12, so that the protection cover 12 is fixed on the mounting boss 17.
Referring to fig. 1 and 4, further, a permanent magnet machine stator outgoing line threading hole is formed in the outer cover of the bearing, and a permanent magnet machine stator outgoing line threading hole bolt 16 is installed in the permanent magnet machine stator outgoing line threading hole. When the rear bearing outer cover 1 is matched with the permanent magnet machine stator support 2, the outgoing line of the permanent magnet machine stator 9 can be conveniently connected into the generator through the hole. When the rear bearing outer cover 1 is matched with the protective cover 12, no permanent magnet machine stator 9 is arranged, no leading-out wire penetrates through a leading-out wire hole of the permanent magnet machine stator, and a leading-out wire hole bolt 16 hole of the permanent magnet machine stator is adopted for blocking, so that the protection grade of the generator meets the requirement.
Referring to fig. 1, further, a bearing outer cover is provided with a bearing temperature sensor mounting hole 3. For fixing the bearing temperature sensor to measure the rear bearing temperature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a modular rear bearing enclosing cover which characterized by: the rear bearing outer cover is provided with a rear bearing outer cover mounting hole, a mounting boss is arranged in a circular bulge in one side of the bearing outer cover, and the permanent magnet machine stator support or the protective cover is detachably connected with the mounting boss.
2. The modular rear bearing cover of claim 1, wherein: the outer edge of the mounting boss is provided with a limiting spigot in a protruding mode, and the outer edge of the permanent magnet machine stator support is provided with a positioning spigot matched with the limiting spigot in an inwards recessed mode.
3. A modular rear bearing cover according to claim 1 or 2, wherein: the permanent magnet machine stator support is annular, a plurality of permanent magnet machine stator support mounting holes are formed in the end portion of the mounting boss and correspond to the permanent magnet machine stator support, and when a permanent magnet machine needs to be mounted, the permanent magnet machine stator support is connected with the mounting boss through a permanent magnet machine stator mounting bolt matched with the permanent magnet machine stator support mounting holes.
4. The modular rear bearing cover of claim 3, wherein: the permanent magnet machine stator support is provided with a plurality of permanent magnet machine stator fixing claws, and the permanent magnet machine stator fixing claws are provided with permanent magnet machine stator mounting holes.
5. The modular rear bearing cover of claim 1, wherein: the protective cover is circular, a circle of matching sleeve is arranged on the outer edge of the protective cover and used for being sleeved on the mounting boss, and protective cover mounting holes are formed in the matching sleeve and correspond to the outer wall of the mounting boss.
6. The modular rear bearing cover of claim 1, wherein: the bearing outer cover is provided with a permanent magnet machine stator outgoing line threading hole, and a permanent magnet machine stator outgoing line threading hole bolt is installed on the permanent magnet machine stator outgoing line threading hole.
7. The modular rear bearing cover of claim 1, wherein: the bearing outer cover is provided with a bearing temperature sensor mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831515.2U CN218449663U (en) | 2022-07-16 | 2022-07-16 | Combined rear bearing outer cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221831515.2U CN218449663U (en) | 2022-07-16 | 2022-07-16 | Combined rear bearing outer cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218449663U true CN218449663U (en) | 2023-02-03 |
Family
ID=85089909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221831515.2U Active CN218449663U (en) | 2022-07-16 | 2022-07-16 | Combined rear bearing outer cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218449663U (en) |
-
2022
- 2022-07-16 CN CN202221831515.2U patent/CN218449663U/en active Active
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